Mercury Kiekhaefer Outboard Vintage Boat Motor ITEM Parts 11-53916 Wing Nut Pulley - Water Pump but looks like it was

but looks like it was rebuilt with permatex at some point

27935 Transfer Port Cover

The Part Number for this Drive Shaft Midsection Exhaust Housing Tube is F684660-2 / 819815C / 684660-1(cast)

Item Details & Compatibility For MerCruiser Most 496 8

and you will either need to replace the wire

Mercury Kiekhaefer Outboard Vintage Boat Motor ITEM Parts 11-53916 Wing Nut Pulley - Water Pump but looks like it wasItem Description Mercury Part Number 11 53916 Nut Wingnut I had a large amount of these type of items that I wanted to process in a short time, so more details for compatibility will be added later for those of you that don't have access to the parts diagrams. If you are unsure on compatibility feel free to ask! Purchase with confidence! General Disclaimer (please read) These are New Old Stock Parts from a large mercury Mark & K models cabinet I have.